code: def setUp(self) -> None:
      set_determinism(seed=0)
  
      im = create_test_image_2d(100, 101)[0]
      self.data_dict = [
          {"image": make_nifti_image(im) if has_nib else im}
          for _ in range(6)
      ]
      self.data_list = [
          make_nifti_image(im) if has_nib else im for _ in range(6)
      ]
  
imports: from __future__ import annotations
  import sys
  import unittest
  from enum import Enum
  import numpy
  import torch
  from parameterized import parameterized
  from monai.data import CacheDataset, DataLoader, Dataset, create_test_image_2d
  from monai.data.utils import decollate_batch
  from monai.transforms import Compose, EnsureChannelFirst, EnsureChannelFirstd, LoadImage, LoadImaged, RandAffine, RandFlip, RandFlipd, RandRotate90, SpatialPad, SpatialPadd, ToTensor, ToTensord
  from monai.transforms.inverse_batch_transform import Decollated
  from monai.transforms.spatial.dictionary import RandAffined, RandRotate90d
  from monai.utils import optional_import, set_determinism
  from monai.utils.enums import PostFix, TraceKeys
  from tests.utils import make_nifti_image
label_desc: Use image node_id 1 for calling the TestDeCollate obj's underlying member method code with example usage: obj.setUp() without return types